To use pick cupola smelting triM-produced QT400-18 ductile iron, zinc ingots module as material, improve zinc ingots mode using life.

运用冲天炉熔炼试制QT 400 - 18球墨铸铁，作为锌锭模的材质，提高锌锭模使用寿命。

youdao

To use pick cupola smelting triM-produced QT400-18 ductile iron, zinc ingots module as material, improve zinc ingots mode using life.

运用冲天炉熔炼试制QT 400 - 18球墨铸铁，作为锌锭模的材质，提高锌锭模使用寿命。

youdao